JPH0331058U - - Google Patents
Info
- Publication number
- JPH0331058U JPH0331058U JP8758689U JP8758689U JPH0331058U JP H0331058 U JPH0331058 U JP H0331058U JP 8758689 U JP8758689 U JP 8758689U JP 8758689 U JP8758689 U JP 8758689U JP H0331058 U JPH0331058 U JP H0331058U
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- cavity
- supply passage
- reservoir
- vacuum pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
Landscapes
- Jet Pumps And Other Pumps (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
第１図から第５図までの図面は、この考案の実
施例を示しており、第１図は全体構成図、第２図
から第５図までの図面は、鋳造工程を示しており
、第２図は、溶解炉内の溶湯をゲート部材直下ま
で上昇させる工程図、第３図は、溶湯が溶湯供給
通路から連通路を通つてキヤビテイ内に流入され
る工程図、第４図は、ゲート部材を下降させてキ
ヤビテイを密閉させる工程図、第５図は、加圧部
材でキヤビテイ内の溶湯を加圧するとともに、溶
湯供給通路内の溶湯を溶解炉内に戻す工程図、第
６図は、本考案と従来例との引張強度と伸び率の
比較図、第７図は、本考案と従来例との鋳造可能
限界肉厚の比較図である。
３……溶湯供給通路、６……溶解炉、７……溶
湯、１０……キヤビテイ、１３……リザーバ、１
４……連通路、１５……ゲート部材、１６……加
圧部材、１８……真空ポンプ、２０……減圧ポン
プ。
The drawings from Fig. 1 to Fig. 5 show an embodiment of this invention, Fig. 1 is an overall configuration diagram, and the drawings from Fig. 2 to Fig. 5 show the casting process. Figure 2 is a process diagram for raising the molten metal in the melting furnace to just below the gate member, Figure 3 is a process diagram for molten metal flowing into the cavity from the molten metal supply passage through the communication passage, and Figure 4 is a process diagram for raising the molten metal in the melting furnace to just below the gate member. FIG. 5 is a process diagram for lowering the member to seal the cavity, and FIG. 6 is a process diagram for pressurizing the molten metal in the cavity with a pressure member and returning the molten metal in the molten metal supply passage to the melting furnace. FIG. 7 is a comparison diagram of the tensile strength and elongation rate of the present invention and the conventional example. FIG. 7 is a comparison diagram of the maximum castable wall thickness of the present invention and the conventional example. 3... Molten metal supply passage, 6... Melting furnace, 7... Molten metal, 10... Cavity, 13... Reservoir, 1
4... Communication path, 15... Gate member, 16... Pressurizing member, 18... Vacuum pump, 20... Decompression pump.
Claims (1)
イと溶解炉とを接続する溶湯供給通路とを備えた
加圧鋳造装置において、キヤビテイ内の空気を排
出する真空ポンプと、キヤビテイと溶湯供給通路
との連通路を開閉するゲート部材と、キヤビテイ
内の溶湯を加圧する加圧部材と、溶湯を一時的に
溜めるために溶湯供給通路のゲート部材近傍に設
けられたリザーバと、このリザーバと溶湯供給通
路を減圧して溶湯をリザーバに供給するための真
空ポンプとは独立した減圧ポンプとを備えたこと
を特徴とする加圧鋳造装置。 In a pressure casting apparatus including a cavity formed in a mold and a molten metal supply passage connecting the cavity and a melting furnace, a vacuum pump for discharging air in the cavity and a communication passage between the cavity and the molten metal supply passage. A gate member that opens and closes, a pressurizing member that pressurizes the molten metal in the cavity, a reservoir provided near the gate member in the molten metal supply passage to temporarily store the molten metal, and a reservoir that depressurizes the reservoir and the molten metal supply passage. A pressurized casting apparatus characterized by comprising a vacuum pump and a decompression pump independent of a vacuum pump for supplying molten metal to a reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8758689U JPH0744375Y2 (en) | 1989-07-26 | 1989-07-26 | Pressure casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8758689U JPH0744375Y2 (en) | 1989-07-26 | 1989-07-26 | Pressure casting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0331058U true JPH0331058U (en) | 1991-03-26 |
| JPH0744375Y2 JPH0744375Y2 (en) | 1995-10-11 |
Family
ID=31637229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8758689U Expired - Fee Related JPH0744375Y2 (en) | 1989-07-26 | 1989-07-26 | Pressure casting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744375Y2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993007977A1 (en) * | 1991-10-25 | 1993-04-29 | Toyota Jidosha Kabushiki Kaisha | Device and method of vacuum casting |
| WO1993011895A1 (en) * | 1991-12-19 | 1993-06-24 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting device |
| EP0633082A1 (en) * | 1993-06-30 | 1995-01-11 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting apparatus |
| EP0634240A1 (en) * | 1993-07-09 | 1995-01-18 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting apparatus and method |
| EP0634239A1 (en) * | 1993-06-30 | 1995-01-18 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting method |
| EP0637475A1 (en) * | 1993-07-20 | 1995-02-08 | Toyota Jidosha Kabushiki Kaisha | Method of and apparatus for vacuum casting |
| JP2007245160A (en) * | 2006-03-13 | 2007-09-27 | Toyota Motor Corp | Decompression die casting apparatus and decompression die casting method |
-
1989
- 1989-07-26 JP JP8758689U patent/JPH0744375Y2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993007977A1 (en) * | 1991-10-25 | 1993-04-29 | Toyota Jidosha Kabushiki Kaisha | Device and method of vacuum casting |
| WO1993011895A1 (en) * | 1991-12-19 | 1993-06-24 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting device |
| EP0633082A1 (en) * | 1993-06-30 | 1995-01-11 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting apparatus |
| EP0634239A1 (en) * | 1993-06-30 | 1995-01-18 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting method |
| EP0634240A1 (en) * | 1993-07-09 | 1995-01-18 | Toyota Jidosha Kabushiki Kaisha | Vacuum casting apparatus and method |
| EP0637475A1 (en) * | 1993-07-20 | 1995-02-08 | Toyota Jidosha Kabushiki Kaisha | Method of and apparatus for vacuum casting |
| JP2007245160A (en) * | 2006-03-13 | 2007-09-27 | Toyota Motor Corp | Decompression die casting apparatus and decompression die casting method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0744375Y2 (en) | 1995-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |